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General Datasheet Gurit® Corecell™ A STRUCTURAL FOAM CORE ¬ Exceptional impact tolerance ¬ Suitable for dynamically-loaded structures ¬ Superior styrene and temperature resistance to linear PVC foam ¬ Highly thermoformable ¬ Ideal for resin infusion INTRODUCTION Gurit® Corecell™ A shares the benefits of SAN chemistry common to all Gurit ® Corecell™ products. Built in toughness – Very high ductility and damage tolerance Environmental stability – High tolerance for heat and chemical exposure Fine cell size – Resin absorbtion is very low, saving both weight and cost Superior uniformity – Low density variation Compatibility – Suitable for use with all polyester, vinylester and epoxy resins Handling – Tough and easy to machine No inhibition - Gurit® Corecell™ does not inhibit epoxy curing mechanisms Gurit® Corecell™ A is the original Gurit® Corecell™ material, developed because of frustrations with inadequate PVC core technology in marine sandwich structures. Gurit ® Corecell™ A is well known for it’s incredible toughness and resistance to cracking, which comes from its high ductility. Gurit ® Corecell™ A can elongate up to 65% in shear before failure, making core shear failure in a laminate almost impossible. Tests and experience show that Gurit® Corecell™ A is the most reliable core material for dynamic loading situations where PVC and balsa may fail due to poor shear elongation properties. This reliability has made Gurit ® Corecell™ A the preferred choice amongst offshore yachtsmen for twenty years. For the manufacturer, Gurit® Corecell™ A offers the benefit of high resistance to styrene and other chemicals and better thermal stability than linear-PVC foam. Gurit® Corecell™ A is also highly thermoformable, which is useful in many applications where cutting the core material is undesirable. Gurit® Corecell™ A is available in every resin infusion format and is compatible with polyester, vinylester and epoxy resin systems. The low resin absorption characteristics of Corecell and it’s unique knife-cut formats deliver higher performing infusions, low resin cost and low weight. Gurit’s global technical team have 10 years experience in resin infusion and offer on-site support for Gurit® Corecell™ customers. This combination makes Gurit ® Corecell™ a key part of a reliable package. Approvals - Accepted for DNV Slamming and Fatigue Applications - Approved by the US Coast Guard for use as buoyancy foam - Approved by the US Coast Guard for use as sandwich core material in the structures of integral diesel fuel tanks - Type approved by: The American Bureau of Shipping, Germ

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General Datasheet INSTRUCTIONS FOR USE General working practices apply to these products, details of which can be obtained from the Gurit Guide to Composites or by contacting a Gurit representative (contact details provided at the end of this datasheet). MECHANICAL PERFORMANCE Type Test Method Pale Brown Nominal Sheet Size Short Edge Marking Nominal Density Density Range Compressive Strength ASTM D1621 – 1973 Compressive Modulus ASTM D1621 2010 Shear Strength Shear Modulus Shear Elongation at break Tensile strength Tensile modulus Thermal Conductivity ASTM C518 * Peak change rate under...

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General Datasheet NOTICE All advice, instruction or recommendation is given in good faith but the selling Gurit entity (the Company) only warrants that advice in writing is given with reasonable skill and care. No further duty or responsibility is accepted by the Company. All advice is given subject to the terms and conditions of sale (the Conditions) which are available on request from the Company or may be viewed at Gurit’s Website: www.gurit.com/terms-and-conditions.aspx The Company strongly recommends that Customers make test panels in the final process conditions and conduct...

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